Race level Chorus derailleur, from about 1993. This one was released with the Syncros shifting system. Will work with 5/6/7/8/9 speed drivetrains. NOT compatible with 10 speed. It features a unique "A/B" setting, read below for a tech explanation if you're inclined. Otherwise, assume it's a standard short cage derailleur!
In the "A" setting, it acts like a "drop parallelogram" derailleur like older derailleurs, and has a max cassette cog of 27t. The "B" setting changes the angle to act as a "slant parallelogram", with a max cog of 32t (which is very high for a short cage!)
Conditon: Excellent shape. The only place that has scratches of note is the lower section of the outer cage plate. Otherwise, just a few very minor marks here and there. Pulleys spin great wiith only minimal wear. Springs are nice and tight.
- Short cage
- Max Cog: A setting: 27t B setting: 32t
- Model: C010-SM